deps(tests): bump eventsource from 3.0.7 to 4.1.0 in /tests/sdk in the e2e-deps group

[dependabot]

Bumps the e2e-deps group in /tests/sdk with 1 update: eventsource.

Updates eventsource from 3.0.7 to 4.1.0

Release notes

Sourced from eventsource's releases.

v4.1.0

4.1.0 (2025-11-19)

Features

• declare fetch override support symbol on class (5575122)

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This release is also available on:

• npm package (@​latest dist-tag)

v4.0.0

4.0.0 (2025-05-13)

⚠ BREAKING CHANGES

• FetchLikeInit is now removed. Use EventSourceFetchInit.
• Drop support for Node.js v18, as it is end-of-life.

Features

• require node.js v20 or higher (91a3a48)

Bug Fixes

• drop FetchLikeInit type. Use EventSourceFetchInit instead. (6786e46)

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This release is also available on:

• npm package (@​latest dist-tag)

Changelog

Sourced from eventsource's changelog.

4.1.0 (2025-11-19)

Features

• declare fetch override support symbol on class (5575122)

4.0.0 (2025-05-13)

⚠ BREAKING CHANGES

• FetchLikeInit is now removed. Use EventSourceFetchInit.
• Drop support for Node.js v18, as it is end-of-life.

Features

• require node.js v20 or higher (91a3a48)

Bug Fixes

• drop FetchLikeInit type. Use EventSourceFetchInit instead. (6786e46)

Commits

• a7f9ced chore(release): 4.1.0 [skip ci]
• 5575122 feat: declare fetch override support symbol on class
• f138661 docs: fix incorrect minimum version for Chrome (v71)
• 9896ad3 docs: env needs TextDecoder, not TextDecoderStream
• 04cc31d docs: add example of using HTTP2 through undici
• 7d7d207 docs: update readme with same guidance on proxying
• 06dfbb6 docs: update migration guide with better guidance on proxying
• d4385cb chore(release): 4.0.0 [skip ci]
• 3057f3a docs: update migration guide
• 6786e46 fix!: drop FetchLikeInit type. Use EventSourceFetchInit instead.
• Additional commits viewable in compare view

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[github-actions]

Major-version bump — holding for human review. Auto-merge is limited to patch and minor updates. See dependency changelog / release notes before merging.